I read the interesting report by Cialdini et al1 in the ARCHIVES titled "The First South American Case of Diffuse Unilateral Subacute Neuroretinitis [DUSN] Caused by a Large Nematode." After the first description of DUSN by Gass et al,2 some Brazilian articles appeared in the early 1990s reporting cases of the disease that were presented and discussed in several meetings by many professionals in the area, including the authors in the report aforementioned. Some of these cases were published in Brazilian magazines.
Amaro MH. Reports of Diffuse Unilateral Subacute Neuroretinitis. Arch Ophthalmol. 2000;118(11):1593. doi:10.1001/archopht.118.11.1593
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